feat: 添加国际化支持，适配系统语言

- CMakeLists.txt 添加 LinguistTools 翻译构建流程
- 添加 zh_CN 翻译文件（11 条）
- 构建时自动用 lrelease 编译 .ts 到 .qm
- .qm 文件安装到 translations/ 目录，dde-shell 自动加载
- 添加 update_translations 目标用于手动更新翻译源文件
- .gitignore 忽略 .qm 编译产物

translations/org.deepin.ds.graphics-driver_zh_CN.ts

@@ -0,0 +1,62 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!DOCTYPE TS>
+<TS version="2.1" language="zh_CN">
+<context>
+    <name>driverview</name>
+    <message>
+        <location filename="../package/driverview.qml"/>
+        <source>Unknown</source>
+        <translation>未知</translation>
+    </message>
+    <message>
+        <location filename="../package/driverview.qml"/>
+        <source>Graphics Driver: </source>
+        <translation>显卡驱动：</translation>
+    </message>
+    <message>
+        <location filename="../package/driverview.qml"/>
+        <source>Graphics Driver Manager</source>
+        <translation>显卡驱动管理</translation>
+    </message>
+    <message>
+        <location filename="../package/driverview.qml"/>
+        <source>Driver service is not available</source>
+        <translation>驱动服务不可用</translation>
+    </message>
+    <message>
+        <location filename="../package/driverview.qml"/>
+        <source>Device Information</source>
+        <translation>设备信息</translation>
+    </message>
+    <message>
+        <location filename="../package/driverview.qml"/>
+        <source>Current Driver: </source>
+        <translation>当前驱动：</translation>
+    </message>
+    <message>
+        <location filename="../package/driverview.qml"/>
+        <source>Device: </source>
+        <translation>设备：</translation>
+    </message>
+    <message>
+        <location filename="../package/driverview.qml"/>
+        <source>Refresh</source>
+        <translation>刷新</translation>
+    </message>
+    <message>
+        <location filename="../package/driverview.qml"/>
+        <source>Test Install</source>
+        <translation>测试安装</translation>
+    </message>
+    <message>
+        <location filename="../package/driverview.qml"/>
+        <source>Installing... </source>
+        <translation>安装中...</translation>
+    </message>
+    <message>
+        <location filename="../package/driverview.qml"/>
+        <source>Cancel</source>
+        <translation>取消</translation>
+    </message>
+</context>
+</TS>